Current monitoring relay Siemens SIRIUS 3RR2242-1FW30
The SIRIUS current monitoring relay 3RR2242-1FW30 from Siemens monitors the complete system for too high or too low current, wire break or phase failure. Thanks to the wide digital setting range of 4.0-40 A, the variety of types can be considerably reduced using the current monitoring relay 3RR2242-1FW30. In size S0, the monitoring relay offers optimum protection for your installation. The proven screw connection of the current monitoring relay 3RR2242-1FW30 ensures the familiar wiring of your system. Monitoring relays are used in all areas of electrical switchgear technology.